:¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨:
«:¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨:«
^«:¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨:«^
§^«:¨¨¨¨¨¨                                          ¨¨¨¨¨¨:«^§
*§^«:¨¨¨¨¨                                          ¨¨¨¨¨:«^§*
§*§^«:¨¨¨¨                   body                   ¨¨¨¨:«^§*§
¶§*§^«:¨¨¨ ¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨::^§§^::¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨ ¨¨¨:«^§*§¶
#¶§*§^«:¨¨                                          ¨¨:«^§*§¶#
##¶§*§^«:¨            a body is a vessel            ¨:«^§*§¶##
#¶§*§^«:¨¨            a body is a vessel            ¨¨:«^§*§¶#
¶§*§^«:¨¨¨            a body is a vessel            ¨¨¨:«^§*§¶
§*§^«:¨¨¨¨            a body is a vessel            ¨¨¨¨:«^§*§
*§^«:¨¨¨¨¨            a body is a vessel            ¨¨¨¨¨:«^§*
§^«:¨¨¨¨¨¨            a body is a vessel            ¨¨¨¨¨¨:«^§
^«:¨¨¨¨¨¨¨            a body is a vessel            ¨¨¨¨¨¨¨:«^
«:¨¨¨¨¨¨¨¨            a body is a vessel            ¨¨¨¨¨¨¨¨:«
:¨¨¨¨¨¨¨¨¨            a body is a vessel            ¨¨¨¨¨¨¨¨¨:
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨